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Based on a web novel of the same name, a man from Joseon dynasty accidentally travels 400 years into the future and opens a restaurant unintentionally in modern Seoul.

Romance • 2025 • U

Joseon's genius, Heo Gyun, gets entangled in a conspiracy while living in exile and is pursued by assassins. Just as he faces certain death, he finds himself in the heart of 21st-century Seoul.

Heo's Diner Ep01

Believing that 21st-century Seoul, where there is no class discrimination, is the authentic 'Yuldo-guk' of his dreams, Heo Gyun begins his chaotic adaptation at the grumpy Eunsil’s small diner.

Heo's Diner Ep02

After saving Eunsil’s mother, Heo Gyun finds himself under police suspicion due to his unknown identity. Meanwhile, Eunsil, who has poor cooking skills, faces the crisis of having to close diner.

Heo's Diner Ep03

With his extraordinary culinary talent, Heo Gyun keeps Eunsil on edge, neither accepting nor rejecting her offer to run the diner together.

Heo's Diner Ep04

Thanks to Heo Gyun’s exceptional cooking skills, the diner gains popularity. However, Lee Hyuk, the owner of the fine restaurant becomes increasingly desperate to take over Heo's Diner.

Heo's Diner Ep05

Eunsil, investigating malicious rumors about the restaurant, encounters an unexpected person. Lee Hyuk seizes the opportunity to make a risky proposal to Heo Gyun.

Heo's Diner Ep06

Heo Gyun, offered the opportunity to work at Lee Hyuk's restaurant, cannot easily refuse due to Eunsil's mother's hospital bills. Lee Hyuk puts his plan into action to bring down Heo's diner.

Heo's Diner Ep07

The misunderstanding between Heo Gyun and Eunsil grows bigger and bigger. Heo Gyun struggles to protect Heo's Diner. The memories that are tangled with the reason why he came here begin to come to mind.

Heo's Diner Ep08

Heo Gyun regains his memory and knows that he must return to Joseon to save his friends, but he is conflicted because he cannot leave Eunsil behind. Meanwhile, Eunsil realizes Heo Gyun's true identity.

Heo's Diner Ep09

Heo Gyun and Eun Sil realize their feelings for each other late, have happy time together. And finally, Heo Gyun reveals all of Lee Hyuk's evil deeds and accepts his fate of having to return to Joseon.